SAP is incredibly large, extensive software packages used to manage a company's business processes.
By using of this package makes it possible to track and manage, in real-time, sales, production, finance accounting and human resources in an enterprise. SAP brings discipline in the company and it has various authorization level, complete tract record of entries, correction and movements.
SAP based the architecture of R/3 on a three-tier client/server model.
• Presentation Server
• Application Server
• Database Server
SAP: Systems Applications and Products in Data Processing